namespace qualify keys of a map benchmark

benchmark.clj

Specter 1.0
Clojure 1.8.0
Mac OSX 10.11.6

Benchmark: namespace qualify keys of a small map (1000000 iterations)

Avg(ms)		vs best		Code
243.69 		 1.00 		 (setval [MAP-KEYS NAMESPACE] (str *ns*) data)
432.11 		 1.77 		 (reduce-kv (fn [m k v] (assoc m (keyword (str *ns*) (name k)) v)) {} data)
682.69 		 2.80 		 (into {} (map (fn [[k v]] [(keyword (str *ns*) (name k)) v])) data)

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Benchmark: namespace qualify keys of a large map (1200 iterations)

Avg(ms)		vs best		Code
208.69 		 1.00 		 (setval [MAP-KEYS NAMESPACE] (str *ns*) data)
319.69 		 1.53 		 (reduce-kv (fn [m k v] (assoc m (keyword (str *ns*) (name k)) v)) {} data)
381.27 		 1.83 		 (into {} (map (fn [[k v]] [(keyword (str *ns*) (name k)) v])) data)